This report describes the typical weather at the Palm Springs International Airport (Palm Springs, California, United States) weather station over the course of an average March. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Palm Springs, California has a hot desert climate. The area within 25 mi of this station is covered by shrublands (70%) and forests (27%).
The month of March is characterized by rising daily high temperatures, with daily highs increasing from 75°F to 81°F over the course of the month, exceeding 91°F or dropping below 65°F only one day in ten.
Over the course of March, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:04 hours, implying an average day-over-day increase of 2.1 minutes.
The shortest day of the month is March 1 with 11:29 hours of daylight; the longest day is March 31 with 12:33 hours of daylight.
The earliest sunrise is at 6:03am on March 10; the latest sunset is at 7:07pm on March 31; the latest sunrise is at 7:01am on March 11; the earliest sunset is at 5:43pm on March 1.
Daylight saving time (DST) starts at 3:00am on March 11, 2012, shifting sunrise and sunset to an hour later.
The median cloud cover ranges from 6% (clear) to 13% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 7% from the start to the end of the month.
On March 16, a representative day, the sky is clear or mostly clear 54% of the time, partly cloudy 10% of the time, and mostly cloudy or overcast 18% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around March 2, occurring in 13% of days. Precipitation is least likely around March 30, occurring in 8% of days.
Throughout March, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 54% of those days with precipitation. It is most likely around March 1, when it is observed during 7% of all days.
Moderate rain is the most severe precipitation observed during 37% of those days with precipitation. It is most likely around March 2, when it is observed during 5% of all days.
Either snow is exceptionally unlikely to fall at this location in March or this station does not reliably report precipitation types.
The relative humidity typically ranges from 58% (mildly humid) to 82% (humid) over the course of a typical March, rarely dropping below 12% (very dry) and reaching as high as 100% (very humid).
The air is driest around March 20, at which time the relative humidity drops below 100% (very humid) three days out of four; it is most humid around March 1, rising above 67% (mildly humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical March, the dew point typically varies from 29°F (dry) to 44°F (dry) and is rarely below 13°F (dry) or above 54°F (very comfortable).
Over the course of March typical wind speeds vary from 0 mph to 19 mph (calm to fresh breeze), rarely exceeding 28 mph (strong breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around March 31, at which time the average daily maximum wind speed is 19 mph (fresh breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around March 1, at which time the average daily maximum wind speed is 14 mph (moderate breeze).